<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    let time = +prompt('请输入秒')
    function getTime(time = 0) {
      let h = parseInt(time / 60 / 60 % 24)
      let m = parseInt(time / 60 % 60)
      let s = parseInt(time % 60)
      h = h < 10 ? '0' + h : h
      m = m < 10 ? '0' + m : m
      s = s < 10 ? '0' + s : s
      document.write(`转换后的时间是${h}时${m}分${s}秒`)
    }
    getTime(time)
  </script>
</body>

</html>